Flat cell
Patent 4548880 Issued on October 22, 1985. Estimated Expiration Date: 
January 17, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.
January 17, 2005. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesFlat battery with novel slurry form electrode Seals for electrochemical cells Laminar cells and batteries Patent #: 4389470 InventorsApplicationNo. 06/692186 filed on 01/17/1985US Classes:429/162, Flat-type unit cell and specific unit cell components429/174, Having seal material429/185Having seal featureExaminersPrimary: LeFevour, Charles F.Attorney, Agent or FirmInternational ClassesH01M 2/08 (20060101)H01M 6/16 (20060101) Foreign Application Priority Data1984-01-18 JPAbstractDisclosed is a flat cell comprising a positive electrode metal plate, a negative electrode metal plate confronted with said positive electrode metal plate, and an adhesive sealing member for sealing the peripheral edge portions of said metal plates, characterized in that said sealing member has a three-layer structure in which ionomer resin pieces are disposed on the opposite sides of a polyethylene piece or an ethylene copolymer piece. |
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